Not able to Raise Events

[King Kong]

ive inherited datagrid to make my own custom control
this custom control have a server side button that is not generating click
event
i want to capture click events from this serverside buttons in my webcontrol
i have instantiated this button in this way.
Protected WithEvents btnImgSearch As New Button


If i disable the Viewstate of my custom control im able to get the event
raise but I dont want to disable my view state here. Please Help

Regards

King Kong